package com.atguigu.gmall.realtime.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * @Author lzc
 * @Date 2023/1/10 15:06
 */

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.FIELD)  // 把注解用在成员变量上
public @interface NotSink {

}
